CVE-2015-0837

The mpi_powm function in Libgcrypt before 1.6.3 and GnuPG before 1.4.19 allows attackers to obtain sensitive information by leveraging timing differences when accessing a pre-computed table during modular exponentiation, related to a "Last-Level Cache Side-Channel Attack."
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 71%
Affected Products (NVD)
VendorProductVersion
gnupggnupg
𝑥
< 1.4.19
gnupglibgcrypt
𝑥
< 1.6.3
debiandebian_linux
7.0
debiandebian_linux
8.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libgcrypt20
bookworm
1.10.1-3
fixed
bullseye
1.8.7-6
fixed
sid
1.11.0-6
fixed
trixie
1.11.0-6
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
gnupg
lucid
Fixed 1.4.10-2ubuntu1.8
released
precise
Fixed 1.4.11-3ubuntu2.9
released
trusty
Fixed 1.4.16-1ubuntu2.3
released
utopic
Fixed 1.4.16-1.2ubuntu1.2
released
libgcrypt11
lucid
Fixed 1.4.4-5ubuntu2.4
released
precise
Fixed 1.5.0-3ubuntu0.4
released
trusty
Fixed 1.5.3-2ubuntu4.2
released
utopic
Fixed 1.5.4-2ubuntu1.1
released
libgcrypt20
lucid
dne
precise
dne
trusty
Fixed 1.6.1-2ubuntu1.14.04.1
released
utopic
Fixed 1.6.1-2ubuntu1.14.10.1
released
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
libgcrypt-devel
suse enterprise desktop 15
1.8.2-4.5
fixed
suse enterprise desktop 15 SP1
1.8.2-6.7
fixed
suse enterprise desktop 15 SP2
1.8.2-8.36.1
fixed
suse enterprise desktop 15 SP3
1.8.2-8.36.1
fixed
suse enterprise desktop 15 SP4
1.9.4-150400.4.6
fixed
suse enterprise desktop 15 SP5
1.9.4-150500.10.19
fixed
suse enterprise desktop 15 SP6
1.10.3-150600.1.23
fixed
suse enterprise desktop 15 SP7
1.11.0-150700.3.5
fixed
suse enterprise sap 15
1.8.2-4.5
fixed
suse enterprise sap 15 SP1
1.8.2-6.7
fixed
suse enterprise sap 15 SP2
1.8.2-8.36.1
fixed
suse enterprise sap 15 SP3
1.8.2-8.36.1
fixed
suse enterprise sap 15 SP4
1.9.4-150400.4.6
fixed
suse enterprise sap 15 SP5
1.9.4-150500.10.19
fixed
suse enterprise sap 15 SP6
1.10.3-150600.1.23
fixed
suse enterprise sap 15 SP7
1.11.0-150700.3.5
fixed
suse enterprise server 15
1.8.2-4.5
fixed
suse enterprise server 15 SP1
1.8.2-6.7
fixed
suse enterprise server 15 SP2
1.8.2-8.36.1
fixed
suse enterprise server 15 SP3
1.8.2-8.36.1
fixed
suse enterprise server 15 SP4
1.9.4-150400.4.6
fixed
suse enterprise server 15 SP5
1.9.4-150500.10.19
fixed
suse enterprise server 15 SP6
1.10.3-150600.1.23
fixed
suse enterprise server 15 SP7
1.11.0-150700.3.5
fixed
libgcrypt20
suse enterprise desktop 15
1.8.2-4.5
fixed
suse enterprise desktop 15 SP1
1.8.2-6.7
fixed
suse enterprise desktop 15 SP2
1.8.2-8.36.1
fixed
suse enterprise desktop 15 SP3
1.8.2-8.36.1
fixed
suse enterprise desktop 15 SP4
1.9.4-150400.4.6
fixed
suse enterprise desktop 15 SP5
1.9.4-150500.10.19
fixed
suse enterprise desktop 15 SP6
1.10.3-150600.1.23
fixed
suse enterprise desktop 15 SP7
1.11.0-150700.3.5
fixed
suse enterprise sap 12 SP5
1.6.1-16.68.1
fixed
suse enterprise sap 15
1.8.2-4.5
fixed
suse enterprise sap 15 SP1
1.8.2-6.7
fixed
suse enterprise sap 15 SP2
1.8.2-8.36.1
fixed
suse enterprise sap 15 SP3
1.8.2-8.36.1
fixed
suse enterprise sap 15 SP4
1.9.4-150400.4.6
fixed
suse enterprise sap 15 SP5
1.9.4-150500.10.19
fixed
suse enterprise sap 15 SP6
1.10.3-150600.1.23
fixed
suse enterprise sap 15 SP7
1.11.0-150700.3.5
fixed
suse enterprise server 12 SP5
1.6.1-16.68.1
fixed
suse enterprise server 15
1.8.2-4.5
fixed
suse enterprise server 15 SP1
1.8.2-6.7
fixed
suse enterprise server 15 SP2
1.8.2-8.36.1
fixed
suse enterprise server 15 SP3
1.8.2-8.36.1
fixed
suse enterprise server 15 SP4
1.9.4-150400.4.6
fixed
suse enterprise server 15 SP5
1.9.4-150500.10.19
fixed
suse enterprise server 15 SP6
1.10.3-150600.1.23
fixed
suse enterprise server 15 SP7
1.11.0-150700.3.5
fixed
libgcrypt20-32bit
suse enterprise desktop 15
1.8.2-4.5
fixed
suse enterprise desktop 15 SP1
1.8.2-6.7
fixed
suse enterprise desktop 15 SP2
1.8.2-8.36.1
fixed
suse enterprise desktop 15 SP3
1.8.2-8.36.1
fixed
suse enterprise desktop 15 SP4
1.9.4-150400.4.6
fixed
suse enterprise desktop 15 SP5
1.9.4-150500.10.19
fixed
suse enterprise desktop 15 SP6
1.10.3-150600.1.23
fixed
suse enterprise desktop 15 SP7
1.11.0-150700.3.5
fixed
suse enterprise sap 12 SP5
1.6.1-16.68.1
fixed
suse enterprise sap 15
1.8.2-4.5
fixed
suse enterprise sap 15 SP1
1.8.2-6.7
fixed
suse enterprise sap 15 SP2
1.8.2-8.36.1
fixed
suse enterprise sap 15 SP3
1.8.2-8.36.1
fixed
suse enterprise sap 15 SP4
1.9.4-150400.4.6
fixed
suse enterprise sap 15 SP5
1.9.4-150500.10.19
fixed
suse enterprise sap 15 SP6
1.10.3-150600.1.23
fixed
suse enterprise sap 15 SP7
1.11.0-150700.3.5
fixed
suse enterprise server 12 SP5
1.6.1-16.68.1
fixed
suse enterprise server 15
1.8.2-4.5
fixed
suse enterprise server 15 SP1
1.8.2-6.7
fixed
suse enterprise server 15 SP2
1.8.2-8.36.1
fixed
suse enterprise server 15 SP3
1.8.2-8.36.1
fixed
suse enterprise server 15 SP4
1.9.4-150400.4.6
fixed
suse enterprise server 15 SP5
1.9.4-150500.10.19
fixed
suse enterprise server 15 SP6
1.10.3-150600.1.23
fixed
suse enterprise server 15 SP7
1.11.0-150700.3.5
fixed
libgcrypt20-hmac
suse enterprise desktop 15
1.8.2-4.5
fixed
suse enterprise desktop 15 SP1
1.8.2-6.7
fixed
suse enterprise desktop 15 SP2
1.8.2-8.36.1
fixed
suse enterprise desktop 15 SP3
1.8.2-8.36.1
fixed
suse enterprise desktop 15 SP4
1.9.4-150400.4.6
fixed
suse enterprise desktop 15 SP5
1.9.4-150500.10.19
fixed
suse enterprise sap 12 SP5
1.6.1-16.68.1
fixed
suse enterprise sap 15
1.8.2-4.5
fixed
suse enterprise sap 15 SP1
1.8.2-6.7
fixed
suse enterprise sap 15 SP2
1.8.2-8.36.1
fixed
suse enterprise sap 15 SP3
1.8.2-8.36.1
fixed
suse enterprise sap 15 SP4
1.9.4-150400.4.6
fixed
suse enterprise sap 15 SP5
1.9.4-150500.10.19
fixed
suse enterprise server 12 SP5
1.6.1-16.68.1
fixed
suse enterprise server 15
1.8.2-4.5
fixed
suse enterprise server 15 SP1
1.8.2-6.7
fixed
suse enterprise server 15 SP2
1.8.2-8.36.1
fixed
suse enterprise server 15 SP3
1.8.2-8.36.1
fixed
suse enterprise server 15 SP4
1.9.4-150400.4.6
fixed
suse enterprise server 15 SP5
1.9.4-150500.10.19
fixed
libgcrypt20-hmac-32bit
suse enterprise desktop 15
1.8.2-4.5
fixed
suse enterprise desktop 15 SP1
1.8.2-6.7
fixed
suse enterprise desktop 15 SP2
1.8.2-8.36.1
fixed
suse enterprise desktop 15 SP3
1.8.2-8.36.1
fixed
suse enterprise desktop 15 SP4
1.9.4-150400.4.6
fixed
suse enterprise desktop 15 SP5
1.9.4-150500.10.19
fixed
suse enterprise sap 12 SP5
1.6.1-16.68.1
fixed
suse enterprise sap 15
1.8.2-4.5
fixed
suse enterprise sap 15 SP1
1.8.2-6.7
fixed
suse enterprise sap 15 SP2
1.8.2-8.36.1
fixed
suse enterprise sap 15 SP3
1.8.2-8.36.1
fixed
suse enterprise sap 15 SP4
1.9.4-150400.4.6
fixed
suse enterprise sap 15 SP5
1.9.4-150500.10.19
fixed
suse enterprise server 12 SP5
1.6.1-16.68.1
fixed
suse enterprise server 15
1.8.2-4.5
fixed
suse enterprise server 15 SP1
1.8.2-6.7
fixed
suse enterprise server 15 SP2
1.8.2-8.36.1
fixed
suse enterprise server 15 SP3
1.8.2-8.36.1
fixed
suse enterprise server 15 SP4
1.9.4-150400.4.6
fixed
suse enterprise server 15 SP5
1.9.4-150500.10.19
fixed
Common Weakness Enumeration
References
http://www.debian.org/security/2015/dsa-3184
http://www.debian.org/security/2015/dsa-3185
https://ieeexplore.ieee.org/document/7163050
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000364.html
http://www.debian.org/security/2015/dsa-3184
http://www.debian.org/security/2015/dsa-3185
https://ieeexplore.ieee.org/document/7163050
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000364.html